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Open data
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Basic information
| Entry | Database: PDB / ID: 1a0a | ||||||
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| Title | PHOSPHATE SYSTEM POSITIVE REGULATORY PROTEIN PHO4/DNA COMPLEX | ||||||
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Keywords | TRANSCRIPTION/DNA / TRANSCRIPTION FACTOR / BASIC HELIX LOOP HELIX / COMPLEX (TRANSCRIPTION FACTOR-DNA) / TRANSCRIPTION-DNA COMPLEX | ||||||
| Function / homology | Function and homology informationpositive regulation of phosphate metabolic process / cellular response to phosphate starvation / sequence-specific DNA binding / protein dimerization activity / chromatin remodeling / DNA-binding transcription factor activity / negative regulation of transcription by RNA polymerase II / positive regulation of transcription by RNA polymerase II / nucleus / cytoplasm Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MIR / Resolution: 2.8 Å | ||||||
Authors | Shimizu, T. / Toumoto, A. / Ihara, K. / Shimizu, M. / Kyogoku, Y. / Ogawa, N. / Oshima, Y. / Hakoshima, T. | ||||||
Citation | Journal: EMBO J. / Year: 1997Title: Crystal structure of PHO4 bHLH domain-DNA complex: flanking base recognition. Authors: Shimizu, T. / Toumoto, A. / Ihara, K. / Shimizu, M. / Kyogoku, Y. / Ogawa, N. / Oshima, Y. / Hakoshima, T. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1a0a.cif.gz | 58.2 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1a0a.ent.gz | 40.1 KB | Display | PDB format |
| PDBx/mmJSON format | 1a0a.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1a0a_validation.pdf.gz | 383.1 KB | Display | wwPDB validaton report |
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| Full document | 1a0a_full_validation.pdf.gz | 421.5 KB | Display | |
| Data in XML | 1a0a_validation.xml.gz | 10.1 KB | Display | |
| Data in CIF | 1a0a_validation.cif.gz | 14.9 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/a0/1a0a ftp://data.pdbj.org/pub/pdb/validation_reports/a0/1a0a | HTTPS FTP |
-Related structure data
| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| 1 |
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| Unit cell |
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Components
| #1: DNA chain | Mass: 5212.386 Da / Num. of mol.: 1 / Fragment: UPSTREAM ACTIVATION SITE P2 / Source method: obtained synthetically / Keywords: FRAGMENT UPSTREAM ACTIVATION SITE P2 | ||
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| #2: DNA chain | Mass: 5203.373 Da / Num. of mol.: 1 / Fragment: UPSTREAM ACTIVATION SITE P2 / Source method: obtained synthetically / Keywords: FRAGMENT: UPSTREAM ACTIVATION SITE P2 | ||
| #3: Protein | Mass: 7104.062 Da / Num. of mol.: 2 / Fragment: DNA BINDING DOMAIN Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Species (production host): Escherichia coli / Production host: ![]() Keywords: FRAGMENT: DNA BINDING DOMAIN / References: UniProt: P07270#4: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 3 |
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Sample preparation
| Crystal | Density Matthews: 4.2 Å3/Da / Density % sol: 71 % | |||||||||||||||||||||||||||||||||||
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| Crystal grow | Method: vapor diffusion / pH: 3.6 Details: VAPOR DIFFUSION METHOD: DROP-0.4MM PROTEIN, 0.2MM DNA, 1% PEG6K, 20MM NACITRATE (PH3.6), RESERVOIR-1% PEG6K, 20MM NACITRATE(PH3.6), vapor diffusion | |||||||||||||||||||||||||||||||||||
| Components of the solutions |
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| Crystal | *PLUS Density % sol: 71 % | |||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS | |||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 288 K |
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| Diffraction source | Source: SYNCHROTRON / Site: Photon Factory / Beamline: BL-18B |
| Detector | Type: WEISSENBERG / Detector: DIFFRACTOMETER / Date: Jun 1, 1996 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Relative weight: 1 |
| Reflection | Highest resolution: 2.8 Å / Num. obs: 9398 / % possible obs: 92 % / Observed criterion σ(I): 1 / Redundancy: 3.9 % / Biso Wilson estimate: 26.2 Å2 / Rmerge(I) obs: 0.087 / Net I/σ(I): 4.2 |
| Reflection shell | Resolution: 2.8→2.95 Å / Redundancy: 1.9 % / Rmerge(I) obs: 0.202 / Mean I/σ(I) obs: 3.5 / % possible all: 80.4 |
| Reflection | *PLUS Highest resolution: 2.8 Å / % possible obs: 92 % / Observed criterion σ(I): 1 / Redundancy: 3.9 % / Num. measured all: 36943 / Biso Wilson estimate: 26.2 Å2 |
| Reflection shell | *PLUS Highest resolution: 2.8 Å / Lowest resolution: 2.95 Å / % possible obs: 76.8 % / Redundancy: 1.9 % / Mean I/σ(I) obs: 3.5 |
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Processing
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| Refinement | Method to determine structure: MIR / Resolution: 2.8→8 Å / Data cutoff high absF: 1000000 / Data cutoff low absF: 0.001 / Cross valid method: THROUGHOUT / σ(F): 3
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| Displacement parameters | Biso mean: 28.4 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.8→8 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2.8→2.92 Å / Total num. of bins used: 8
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| Xplor file |
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| Software | *PLUS Name: X-PLOR / Version: 3.1 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUS Highest resolution: 2.8 Å / Lowest resolution: 8 Å / σ(F): 3 / % reflection Rfree: 12.5 % / Rfactor obs: 0.23 / Rfactor Rwork: 0.23 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS Biso mean: 28.4 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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| LS refinement shell | *PLUS Highest resolution: 2.8 Å / % reflection Rfree: 13.1 % |
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